Piezoelectric vibration device



FIG. 1 is a top perspective view of a first embodiment of a piezoelectric vibration device of the present invention;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a first side view thereof;

FIG. 7 is a second side view thereof;

FIG. 8 is a top view of the piezoelectric vibration device of FIG. 1, shown with the upper IC component and connecting bumps removed;

FIG. 9 is a cross-section view of the piezoelectric vibration device taken along line 9-9 of FIG. 3;

FIG. 10 is a cross-section view of the piezoelectric vibration device taken along line 10-10 of FIG. 3; and,

FIG. 11 is a cross-section view of the piezoelectric vibration device taken along line 11-11 of FIG. 3. 

CLAIM We claim the ornamental design for a piezoelectric vibration device, as shown and described. 